Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-50781

19
FAUCET Score

CVE-2023-50781 describes a high-severity flaw in m2crypto, affecting various m2crypto_project and Red Hat Enterprise Linux products. This vulnerability allows a remote attacker to decrypt captured TLS messages when RSA key exchanges are used, potentially exposing confidential data. While rated 7.5 HIGH on CVSS, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
4CPE matchmatch criteria
cpe:2.3:a:redhat:update_infrastructure:4:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:m2crypto_project:m2crypto:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.12%
Probability of exploitation in next 30 days
EPSS Percentile
62.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0112 is in the 41st percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatno patchvia redhat_api
Product: Red Hat Update Infrastructure 4 for Cloud ProvidersFixed in: m2crypto

Vendor Advisories (2)

pipGHSA-944j-8ch6-rf6xmedium

m2crypto Bleichenbacher timing attack - incomplete fix for CVE-2020-25657

Feb 5, 2024
redhatCVE-2023-50781Moderate

m2crypto: Bleichenbacher timing attacks in the RSA decryption API - incomplete fix for CVE-2020-25657

Dec 13, 2023

References

cert-portal.siemens.com / productcert/html/ssa-265688.html
access.redhat.com / security/cve/CVE-2023-50781
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking